v3.26.1
Share - Based Compensation - Additional Information (Details)
SFr / shares in Units, SFr in Thousands
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Feb. 28, 2026
$ / shares
Feb. 28, 2025
$ / shares
Nov. 30, 2024
$ / shares
Jun. 30, 2026
CHF (SFr)
shares
SFr / shares
Jun. 30, 2025
CHF (SFr)
shares
Jun. 30, 2026
CHF (SFr)
shares
TradingDay
SFr / shares
Jun. 30, 2026
CHF (SFr)
shares
SFr / shares
$ / shares
Jun. 30, 2025
CHF (SFr)
shares
SFr / shares
Jun. 30, 2025
shares
$ / shares
Dec. 31, 2025
CHF (SFr)
May 13, 2026
shares
Disclosure of range of exercise prices of outstanding share options [line items]                      
Expenses for share based payments | SFr       SFr 6,600 SFr 4,500 SFr 11,600   SFr 7,200      
Reserve for share-based payment | SFr       38,133   SFr 38,133 SFr 38,133     SFr 30,387  
Weighted average grant date fair value per share | (per share) [1]           SFr 21.11 SFr 26.82 SFr 16.11 $ 18.68    
Number of share options exercised [2]           72,750   335,581      
Exercise price | SFr / shares           SFr 0.01          
Share price target one | $ / shares     $ 15       15        
Share price target two | $ / shares   $ 20         20        
Share price target three | $ / shares $ 25           25        
Share-based compensation expense | SFr       SFr 4,971 SFr 3,322 SFr 8,377   SFr 4,844      
Weighted average remaining contractual life of options outstanding           7 years       7 years  
Weighted average remaining contractual life of SARs outstanding           7 years       7 years  
Earnout options           211,604   217,998      
Earnout shares               948,549      
BCA                      
Disclosure of range of exercise prices of outstanding share options [line items]                      
Exercise price | SFr / shares           SFr 0.01          
Earnout options           369,737          
Earnout shares           3,793,995          
Earnout options exercisable           211,148          
2023 Employee Stock Option and Incentive Plan                      
Disclosure of range of exercise prices of outstanding share options [line items]                      
Conditional Share Capital Available For Issuance, Increased to Ordinary Shares                     12,677,700
Options Granted                      
Disclosure of range of exercise prices of outstanding share options [line items]                      
Weighted average grant date fair value per share | (per share)           SFr 14.3 SFr 18.17 SFr 12.48 $ 14.47    
SARs                      
Disclosure of range of exercise prices of outstanding share options [line items]                      
Number of options, exercisable       3,306,692 2,236,218 3,306,692 3,306,692 2,236,218 2,236,218    
Restricted Stock Units                      
Disclosure of range of exercise prices of outstanding share options [line items]                      
Expenses for share based payments | SFr       SFr 3,200 SFr 1,700 SFr 5,400   SFr 2,600      
Bottom of Range                      
Disclosure of range of exercise prices of outstanding share options [line items]                      
Exercise prices of the outstanding options | SFr / shares       SFr 1.54   SFr 1.54 SFr 1.54        
Earnout Options Exercise price | SFr / shares       1.54   SFr 1.54 1.54        
Trading days | TradingDay           20          
Bottom of Range | Restricted Stock Units                      
Disclosure of range of exercise prices of outstanding share options [line items]                      
Weighted average remaining contractual life of options outstanding           1 year          
Top of Range                      
Disclosure of range of exercise prices of outstanding share options [line items]                      
Exercise prices of the outstanding options | SFr / shares       24.69   SFr 24.69 24.69        
Earnout Options Exercise price | SFr / shares       SFr 24.69   SFr 24.69 SFr 24.69        
Trading days | TradingDay           30          
Top of Range | Restricted Stock Units                      
Disclosure of range of exercise prices of outstanding share options [line items]                      
Weighted average remaining contractual life of options outstanding           4 years          
[1]

(1) The equity award exercise price is denominated in USD.

[2]

(1) Forfeited amount includes earnout options forfeited during the six month periods ended June 30, 2026 and 2025. No SARs had been exercised or forfeited during the six months ended June 30, 2026 and 2025.